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USEPA Releases Sampling Guidance for Unknown Contaminants in Drinking Water

The U.S. Environmental Protection Agency (USEPA) Water Security Division of the Office of Ground Water and Drinking Water recently released Sampling Guidance for Unknown Contaminants in Drinking Water.

The 60-page online document includes comprehensive recommendations for pathogen, toxin, chemical, and radiochemical sample collection, preservation, and transport procedures to support multiple analytical approaches for the detection and identification of potential contaminants in drinking water.

The USEPA says the guide is intended to support sampling for routine and baseline monitoring to determine background concentrations of naturally occurring contaminants, sampling in response to a contamination event, and sampling in support of remediation or decontamination efforts. The primary intended audience of this guidance document is drinking water utilities; however, USEPA says laboratories, emergency response personnel, and water teams may also find the information useful.

Click here to access the USEPA Sampling Guidance for Unknown Contaminants in Drinking Water. If you have questions about sampling for unknown contaminants, contact Nate Weisenburger, PE, AE2S Drinking Water Practice Leader, at Nate.Weisenburger@ae2s.com.